Biruta Bankina, Latvian University of AgricultureEdgars Vimba, University of LatviaAlfons Piterans, University of LatviaVizma Nikolajeva, University of LatviaTalis Gaitnieks, Latvian State Forest Research Institute "Silava" Jurga Motiejunaite, Nature Research Centre, LithuaniaGrazina Adamonyte, Lithuanian Research CouncilRoma Semaskiene, Lithuanian Research Centre for Agriculture and ForestryBellis Kullman, Estonian University of Life Sciences Tiina Randlane, University of Tartu